Su Jeong Jang defeated Sun Jung Kim 7-5 6-7 6-2 in the Changwon 25K round of 32 on hard. The result followed the form book — Su Jeong Jang came in leading the head-to-head 1–0. Su Jeong Jang extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2012-08-27 | Yeong Wol 10K | R16 | hard | Su Jeong Jang | 7-5 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.